Year % of female population 1960 26.1085333296187 1961 26.1318531153543 1962 26.1533688925468 1963 26.0920545736578 1964 25.9366942306761 1965 25.7391334294543 1966 25.5611675271566 1967 25.4160383654732 1968 25.301030173848 1969 25.1928233494678 1970 25.056966169773 1971 24.8879597843794 1972 24.654375819248 1973 24.3044414702676 1974 23.8848174808145 1975 23.4544233455973 1976 23.012185412335 1977 22.6072212022732 1978 22.2734148853395 1979 21.9945470167581 1980 21.7718499857569 1981 21.5817933202959 1982 21.4107623292382 1983 21.3042249444801 1984 21.2622174255069 1985 21.2395645495225 1986 21.2174057084608 1987 21.2060959147173 1988 21.2056013676589 1989 21.1930668516414 1990 21.1753837177264 1991 21.1527239604347 1992 21.095511834748 1993 20.9616554900604 1994 20.7226741683009 1995 20.4224374301368 1996 20.0856011574781 1997 19.7026287213253 1998 19.2641059135851 1999 18.7752863751954 2000 18.2403251954889 2001 17.6487648906369 2002 17.0236643484403 2003 16.4233885843221 2004 15.8733761077622 2005 15.3440275613771 2006 14.8361805103636 2007 14.3572735803658 2008 13.9684872117362 2009 13.7215677105507 2010 13.5525300097589 2011 13.420720627081 2012 13.3373248988066 2013 13.2899747301247 2014 13.259306750214 2015 13.2843644506268 2016 13.3801883123718 2017 13.5032742173967 2018 13.6212425450295 2019 13.7191058780726 2020 13.8162891264069 2021 13.9258022615259 2022 14.055686540448 2023 14.149484652322